Good points are the goal of peaking and reduce as fast as possible, a sensible target, $100bn in annual aid from 2020, and trying to base policy on science. Weak points are that countries set their own targets, and there are no penalties if they don't meet them. So this is not the end, or even the beginning of the end, but it is perhaps the end of the morass and the start of a solution.

The best thing is the progress. The test is what happens next.

2 degrees does not sound much. Why the worry? To put 2 degrees in perspective, a 4 degree rise would be “incompatible with an organized global community, is likely to be beyond ‘adaptation’, is devastating to the majority of ecosystems, and has a high probability of not being stable.”, according to climate expert Professor Andersen, University of Manchester.

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The platypus caused consternation, shattered existing categories. It's existence was undeniable, but how should taxonomic theory be adapted to accommodate this uncomfortable fact? This blog is also hard to classify. It loosely follows the professional interests and activities of Daniel Winterstein. Topics are likely to range from business affairs to new media via data science and abstract mathematics.